Home / 22,700.25-31,326.48-13,266.99

Finding the Fourth Proportional to 22,700.25, 31,326.48 and 13,266.99

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Solution

The fourth proportional to 22,700.25, 31,326.48 and 13,266.99 is: 18,308.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,700.25 : 31,326.48 = 13,266.99 : x
  2. Step 2: Convert to fraction form
    22,700.25/31,326.48 = 13,266.99/x
  3. Step 3: Cross multiply
    22,700.25x = 31,326.48 × 13,266.99
  4. Step 4: Simplify right side
    22,700.25x = 415,608,096.90
  5. Step 5: Solve for x
    x = 415,608,096.90/22,700.25
  6. Step 6: Final answer
    x = 18,308.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.